<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @copyright   Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */
namespace Magento\PageCache\Block;

/**
 * Class Form
 */
class Javascript extends \Magento\Framework\View\Element\Template
{
    /**
     * @var \Magento\PageCache\Helper\Data
     */
    protected $helper;

    /**
     * Constructor
     *
     * @param \Magento\Framework\View\Element\Template\Context $context
     * @param \Magento\PageCache\Helper\Data         $helper
     * @param array                                  $data
     */
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\PageCache\Helper\Data $helper,
        array $data = array()
    ) {
        $this->helper = $helper;
        parent::__construct($context, $data);
    }

    /**
     * Retrieve script options encoded to json
     *
     * @return string
     */
    public function getScriptOptions()
    {
        $params = array(
            'url' => $this->getUrl('page_cache/block/render/'),
            'handles' => $this->helper->getActualHandles(),
            'versionCookieName' => \Magento\Framework\App\PageCache\Version::COOKIE_NAME
        );
        return json_encode($params);
    }
}
